CVE-2022-32207

NameCVE-2022-32207
DescriptionWhen curl < 7.84.0 saves cookies, alt-svc and hsts data to local files, it makes the operation atomic by finalizing the operation with a rename from a temporary name to the final target file name.In that rename operation, it might accidentally *widen* the permissions for the target file, leaving the updated file accessible to more users than intended.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5197-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
curl (PTS)buster, buster (security)7.64.0-4+deb10u2fixed
bullseye7.74.0-1.3+deb11u1vulnerable
bullseye (security)7.74.0-1.3+deb11u2fixed
bookworm, sid7.84.0-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
curlsourcestretch(not affected)
curlsourcebuster(not affected)
curlsourcebullseye7.74.0-1.3+deb11u2DSA-5197-1
curlsource(unstable)7.84.0-1

Notes

[buster] - curl <not-affected> (Vulnerable code introduced later)
[stretch] - curl <not-affected> (Vulnerable code introduced later)
https://curl.se/docs/CVE-2022-32207.html
Introduced by: https://github.com/curl/curl/commit/b834890a3fa3f525cd8ef4e99554cdb4558d7e1b (curl-7_69_0)
Fixed by: https://github.com/curl/curl/commit/20f9dd6bae50b7223171b17ba7798946e74f877f (curl-7_84_0)

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